Etc in its , image disposal technology is that we obtain road traffic information by image sensor and utilizes technique of image disposal together with computer vision to simulate vision function of the people and obtains useful information which its needs 智能交通系统中图像处理技术是通过图像传感器获取道路交通图像,利用图像处理与计算机视觉相结合的方法,模仿人的视觉功能,获得智能交通系统所需要的信息。
It also introduces some vehicle crash methods and test equipments . in crash test , dummies are very important and indispensable to vehicle dynamic test and research work . dummies can simulate the shape and interior structure of human body ; they are mainly used to assess the injury of passengers in crash 对实车碰撞的试验方法和试验设备给了一定的介绍，在碰撞试验中假人是汽车动态试验不可缺少的工具，它对汽车安全事业的发展起着无法替代的作用，假人模仿人的外形和内部结构，用于研究碰撞对车内驾乘人员的损伤情况。
